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6 Best AI Subtitle Translators in 2024 (Free & Paid)

We live in an AI-centric world and it makes some of the most tedious tasks easier. With AI subtitle translators, you can get a host of benefits, like accurate subtitle translation, fast translation, and even video translation of video subtitles into another language.

For the users who want to translate subtitles, we have tested a total of 6 AI subtitle translators that would work optimally, ensuring you can get output in your desired language.

In this article
  1. Benefits of using an AI Subtitle Translator
  2. 6 Best AI Subtitle Translators in 2024
  3. FAQs About AI Subtitle Translators

Part 1: Benefits of using an AI Subtitle Translator

Millions of viewers don’t understand popular languages like English, Portuguese, or more. Thankfully, translation has become a vital part of the content world, which is why so many people use subtitle translators for their projects.

Subtitle translators are typically used by Filmmakers, YouTubers, Content Creators, Companies, and anyone who is looking to reach a global audience. Moreover, when you add subtitles to videos, you are more likely to engage the audience as they will watch it for much longer.

Here are some of the benefits you get by using AI subtitle translators:

  • The subtitle increases average viewer duration, which ultimately helps in improving the SEO ranking of the video.
  • When you add newer subtitles, you attract a whole new audience and an untapped market that could lead to revenue growth.
  • It could help people with hearing disabilities understand the video better.
  • AI subtitle translators make it easier for you to translate into different languages with better accuracy and results.

So, in this blog, we are covering the best tools to AI translate subtitles and reach an audience further beyond your expectations.

Part 2: 6 Best AI Subtitle Translators in 2024

1. Wondershare UniConverter


If you want the strongest AI subtitle translator, then UniConverter is the best choice for you. While UniConverter is an all-in-one video conversion tool, it uses the power of AI to translate subtitles right within the software.

However, UniConverter is only available as software and not online. But that allows it to be quite powerful as you get a whopping 20+ lightweight features, including subtitle conversion, editor, trimming, and a lot more.

Here are some of the features it offers:

  • AI Subtitle Translator: Translate subtitles fast and efficiently with UniConverter
  • Edit Subtitles: Leverage a host of lightweight subtitle editing features to align with your videos
  • All-in-one Converter: Go above and beyond subtitles to convert videos easily!


  • Comes with 20+ lightweight features to be used
  • Contains a great subtitle translator right within the software
  • User-friendly interface with easy-to-use features
  • AI editing tools for a seamless and fast editing experience


  • No online version is available


Media IO

When it comes to the translation of subtitles, you should aim for a video and audio subtitle translator. But there are only a few tools that leverage AI to the level where it translates subtitles from videos, from the subtitle file, and even lets you edit those subtitles. is an all-in-one AI video editor that works online and gives you some of the best AI subtitle translation experiences ever. You get the following features with

  • Auto Subtitle Generator: Create Subtitles automatically that sync to your video or audio
  • Video Editor: Create, edit, and share your creative work like a pro!
  • Auto Translator: Translate your video subtitles or transcripts in over 120 languages with ease
  • Auto Transcription: Transcribe audio or video text in a flash with
  • Auto Voice Maker: Use the power of AI to get a natural voice for your videos features an intuitive interface that can make editing easier even for someone who is not tech-savvy. It is an all-in-one online tool that can provide decent features. However, when it comes to subtitle translation, it has a diverse toolkit that you can leverage.


  • Great for AI subtitle translation
  • Features over 120 languages you can translate into
  • Supports auto transcription
  • Supports video subtitle translation


  • Technical issues can occur sometimes

3. Subly


Subly lets you translate SRT, audio, and video in over 100 languages, all in a couple of minutes. Increase your business speed with the easy translation service that the tool offers. But what’s so interesting about Subly? Well, in my experience, it has one of the most extensive lists of features that anyone with subtitle translation as a goal would love to leverage.

In just 4 simple steps, you can use some of the most advanced AI to convert subtitles into any other language. Moreover, an amazing feature of Subly is that it also allows you to translate subtitles into multiple languages.

Here are some of the features it offers:

  • Automatic Video Translation: Upload video in your native language and translate it into over 100 languages with ease
  • File Support: Subly supports .mp4, .mov video files, a lot of audio file extensions, and much more!
  • Video-to-Text Translation: Download your subtitles into VTT, SRT, or TXT to apply it on different platforms.

In simple words, Subly is an AI subtitle translator that cuts down 5 hours of editing into 5 minutes of AI magic.


  • A high level of control is available
  • Super intuitive to use
  • Makes subtitle translation a breeze


  • Can be unresponsive sometimes

4. Smartcat


But if you love a tool that will have the most extensive language collection, then you can use Smartcat to translate subtitles with AI. It features a whopping 280 languages that you can translate subtitles to, making it arguably the best tool when it comes to language selection.

Smartcat claims that their tool has 100 times the speed of a regular translation agency and costs much less than getting translation the traditional way. Moreover, it has a 90+ accuracy rate, which is quite good as it can translate in a matter of seconds.

Here are some of the features it provides:

  • Flexibility: Perform ultra-fast and highly precise AI translation
  • Consistency: Smartcat uses AI and applies your linguistic preferences even in future translations
  • File Formats: Leverage 80+ formats and export in the one of your liking


  • Get AI subtitles translation on the cloud
  • The support team is responsive
  • The software packs advanced AI features for easy subtitle translation


  • Few users have reported payment problems with Smartcat

5. Kapwing


Kapwing is one of the most versatile ways to translate subtitles using AI and it would blow your mind. It allows simple translation services in over 75 languages, making it quite an ideal tool for anyone looking to translate. Moreover, it is faster and better than a lot of competitors due to the advanced features it provides.

You only need to follow a 3-step process to get the most out of Kapwing, meaning you wouldn’t have any problem editing subtitles with it. With its AI features, you can do more than just subtitles editing as the accuracy is just insane.

Here are some of the features Kapwing provides:

  • Automatic Subtitle Translation: Use an all-in-one subtitle translation tool
  • Video Subtitle Translation: Kapwing allows you to edit video subtitles with just the click of a button
  • Foreign Subtitles: Upload and enjoy custom subtitles on the videos


  • Great tool for editing and translating subtitles into over 75+ languages
  • Good and accurate results
  • It provides free version which is suitable for most people


  • Some users have reported poor customer experience

6. Nova

Nova AI

Nova is one of the best tools and is being used by many companies from all over the world. They have worked with NBC Universal, Disney, and other big companies like these. Hence, it is safe to say that their tool comes with a lot of credibility.

But how does it actually stack up when we talk about AI subtitle translation? Let’s find out! Nova is a perfect AI subtitle translator for content creators, filmmakers, educators, marketers, and basically anyone who wants to leverage some of the most advanced features on the market.

Here are some of Nova’s features:

  • Translate into Multiple Languages: Easily translate into languages of your choice
  • Translate Voiceovers: Translate realistic-sounding voice overs with Nova AI
  • Formats: Download into various subtitles formats like TXT, SRT, and VTT


  • User-friendly drag-and-drop UI
  • AI-based functions for Subtitles
  • Web-based clip editor


  • Can be quite expensive for individuals

Part 3: FAQs About AI Subtitle Translators

1. How to use AI for subtitles?

By using one of the above-mentioned tools, you can leverage AI to translate subtitles seamlessly and effectively. No need to hire professional editors or translators because the AI subtitle translators are accurate and save you a ton of time.

2. Can ChatGPT translate subtitles?

Yes, ChatGPT can translate subtitles effectively and is generally considered a great subtitle translator. However, it is not as fast as some of the other tools we have mentioned. Moreover, many AI subtitle translators used GPT 3.5 or 4 to enhance the translation process.

3. How to translate SRT files with AI?

You can use a Media IO to translate SRT files with AI. You can upload your SRT file and choose the output file that you want the subtitle to be translated into. Finally, you can wait for the SRT file to be translated and it will download automatically.

Final Verdict


But what if you want something more? You see, while most of the subtitle translation tools do a great job of translating subtitles, they are lacking in one aspect which is editing subtitles. But what would you need to edit subtitles?

Well, sometimes you need to do manual editing work, but the majority of tools are not user-friendly and can’t seem to get the job done properly. With a tool like Wondershare UniConverter, you can get more done in less time.

With the video editing tools, you can:

  • Trim and cut the subtitles
  • Adjust the speed and look of the subtitles
  • Allows you to enhance your video presentations by using the tool’s powerful features

Edit Subtitles with UniConverter Today!

James Davis
James Davis Mar 13, 24
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